This vintage frog dissection manual is a great resource for learning about frog anatomy. To use it, simply open the book and follow the instructions provided. When handling the book, be gentle as the pages are old and may be fragile. To maintain it, keep it in a dry and cool place away from direct sunlight. Avoid getting the pages wet as it could cause further damage. If you need to mark a page, use a bookmark instead of writing in the book.